88 lines
3.7 KiB
Plaintext
88 lines
3.7 KiB
Plaintext
#!rsc by RouterOS
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# RouterOS script: ipv6-update
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# Copyright (c) 2013-2024 Christian Hesse <mail@eworm.de>
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# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
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#
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# requires RouterOS, version=7.12
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#
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# update firewall and dns settings on IPv6 prefix change
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# https://git.eworm.de/cgit/routeros-scripts/about/doc/ipv6-update.md
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:global GlobalFunctionsReady;
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:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
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:do {
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:local ScriptName [ :jobname ];
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:global LogPrint;
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:global ParseKeyValueStore;
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:global ScriptLock;
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:local PdPrefix $"pd-prefix";
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:if ([ $ScriptLock $ScriptName ] = false) do={
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:error false;
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}
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:if ([ :typeof $PdPrefix ] = "nothing") do={
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$LogPrint error $ScriptName ("This script is supposed to run from ipv6 dhcp-client.");
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:error false;
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}
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:local Pool [ /ipv6/pool/get [ find where prefix=$PdPrefix ] name ];
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:if ([ :len [ /ipv6/firewall/address-list/find where comment=("ipv6-pool-" . $Pool) ] ] = 0) do={
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/ipv6/firewall/address-list/add list=("ipv6-pool-" . $Pool) address=:: comment=("ipv6-pool-" . $Pool);
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$LogPrint warning $ScriptName ("Added ipv6 address list entry for ipv6-pool-" . $Pool);
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}
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:local AddrList [ /ipv6/firewall/address-list/find where comment=("ipv6-pool-" . $Pool) ];
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:local OldPrefix [ /ipv6/firewall/address-list/get ($AddrList->0) address ];
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:if ($OldPrefix != $PdPrefix) do={
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$LogPrint info $ScriptName ("Updating IPv6 address list with new IPv6 prefix " . $PdPrefix);
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/ipv6/firewall/address-list/set address=$PdPrefix $AddrList;
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# give the interfaces a moment to receive their addresses
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:delay 2s;
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:foreach ListEntry in=[ /ipv6/firewall/address-list/find where comment~("^ipv6-pool-" . $Pool . ",") ] do={
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:local ListEntryVal [ /ipv6/firewall/address-list/get $ListEntry ];
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:local Comment [ $ParseKeyValueStore ($ListEntryVal->"comment") ];
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:local Prefix [ /ipv6/address/find where from-pool=$Pool interface=($Comment->"interface") global ];
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:if ([ :len $Prefix ] = 1) do={
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:set Prefix [ /ipv6/address/get $Prefix address ];
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:if ([ :typeof [ :find ($ListEntryVal->"address") "/128" ] ] = "num" ) do={
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:set Prefix ([ :toip6 [ :pick $Prefix 0 [ :find $Prefix "/64" ] ] ] & ffff:ffff:ffff:ffff::);
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:local Address ($ListEntryVal->"address");
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:local Address ($Prefix | ([ :toip6 [ :pick $Address 0 [ :find $Address "/128" ] ] ] & ::ffff:ffff:ffff:ffff));
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$LogPrint info $ScriptName ("Updating IPv6 address list with new IPv6 host address " . $Address . \
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" from interface " . ($Comment->"interface"));
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/ipv6/firewall/address-list/set address=$Address $ListEntry;
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} else={
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$LogPrint info $ScriptName ("Updating IPv6 address list with new IPv6 prefix " . $Prefix . \
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" from interface " . ($Comment->"interface"));
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/ipv6/firewall/address-list/set address=$Prefix $ListEntry;
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}
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}
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}
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:foreach Record in=[ /ip/dns/static/find where comment~("^ipv6-pool-" . $Pool . ",") ] do={
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:local RecordVal [ /ip/dns/static/get $Record ];
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:local Comment [ $ParseKeyValueStore ($RecordVal->"comment") ];
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:local Prefix [ /ipv6/address/find where from-pool=$Pool interface=($Comment->"interface") global ];
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:if ([ :len $Prefix ] = 1) do={
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:set Prefix [ /ipv6/address/get $Prefix address ];
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:set Prefix ([ :toip6 [ :pick $Prefix 0 [ :find $Prefix "/64" ] ] ] & ffff:ffff:ffff:ffff::);
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:local Address ($Prefix | ([ :toip6 ($RecordVal->"address") ] & ::ffff:ffff:ffff:ffff));
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$LogPrint info $ScriptName ("Updating DNS record for " . ($RecordVal->"name") . \
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($RecordVal->"regexp") . " to " . $Address);
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/ip/dns/static/set address=$Address $Record;
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}
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}
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}
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} on-error={ }
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